The Invisible Millionaire

"The Invisible Millionaire" is the second of three novellas written by Leslie Charteris and included in the twentieth Saint book Follow the Saint published in 1938.

Plot
Simon Templar is invited to meet a young woman at a secret rendezvous where she plans to provide information regarding a major swindle. The case becomes complicated when the Saint and his assistant Hoppy Uniatz find the woman stabbed to death, with Templar (as usual) blamed for her murder. Templar and Uniatz don't know what to think when their accusers subsequently invite them to come home for dinner.

Television adaptation
"The Invisible Millionaire" was adapted as an episode of The Saint TV series and aired on February 13, 1964, during the programme's second season.